Finding the Fourth Proportional to 2,434,297.76, 3,358,199.76 and 1,575,135.12
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Solution
The fourth proportional to 2,434,297.76, 3,358,199.76 and 1,575,135.12 is: 2,172,954.55
Step by Step Solution
- Step 1: Write the proportion equation
2,434,297.76 : 3,358,199.76 = 1,575,135.12 : x - Step 2: Convert to fraction form
2,434,297.76/3,358,199.76 = 1,575,135.12/x - Step 3: Cross multiply
2,434,297.76x = 3,358,199.76 × 1,575,135.12 - Step 4: Simplify right side
2,434,297.76x = 5,289,618,381,951.57 - Step 5: Solve for x
x = 5,289,618,381,951.57/2,434,297.76 - Step 6: Final answer
x = 2,172,954.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.